/* ---------- Casca de autenticação (login / trocar senha) ---------- */

.auth-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-5);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--space-7) var(--space-6);
}

.auth-brand {
    text-align: center;
    margin-bottom: var(--space-6);
}

.auth-brand .mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--color-ink);
    color: var(--color-white);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--text-lg);
    margin-bottom: var(--space-3);
}

.auth-brand h1 {
    font-size: var(--text-lg);
    margin: 0;
}

/* ---------- Casca principal do aplicativo (sidebar + topbar + conteúdo) ---------- */

.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background: var(--color-ink);
    color: var(--color-navy-100);
    flex-shrink: 0;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 40;
    transition: transform var(--transition-fast);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-5) var(--space-4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand .mark {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--color-navy-600);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    flex-shrink: 0;
}

.sidebar-brand .name {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-white);
    line-height: 1.3;
}

.sidebar-nav {
    padding: var(--space-4) var(--space-2);
}

.sidebar-section {
    text-transform: uppercase;
    font-size: var(--text-xs);
    letter-spacing: 0.06em;
    color: rgba(220, 230, 237, 0.55);
    padding: var(--space-4) var(--space-3) var(--space-2);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-sm);
    color: var(--color-navy-100);
    font-size: var(--text-sm);
    font-weight: 500;
}

.sidebar-link:hover {
    background: rgba(255, 255, 255, 0.08);
    text-decoration: none;
}

.sidebar-link.is-active {
    background: var(--color-navy-700);
    color: var(--color-white);
}

.sidebar-icon {
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.app-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.topbar {
    height: var(--topbar-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: 0 var(--space-5);
    position: sticky;
    top: 0;
    z-index: 30;
}

.topbar-title {
    font-size: var(--text-md);
    margin: 0;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    color: var(--color-ink);
    padding: var(--space-2);
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-sm);
    flex-shrink: 0;
}

.topbar-user .role-badge {
    flex-shrink: 0;
}

.content {
    padding: var(--space-6);
    flex: 1;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 42, 67, 0.45);
    z-index: 35;
}

@media (max-width: 900px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.is-open {
        transform: translateX(0);
        box-shadow: var(--shadow-md);
    }

    .app-main {
        margin-left: 0;
    }

    .nav-toggle {
        display: inline-flex;
        align-items: center;
    }

    body.sidebar-open .sidebar-overlay {
        display: block;
    }

    .content {
        padding: var(--space-4);
    }
}

@media (max-width: 560px) {
    .topbar {
        padding: 0 var(--space-3);
    }

    .topbar-user .user-name {
        display: none;
    }
}

.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
    flex-wrap: wrap;
}

.page-header .lead {
    color: var(--color-text-muted);
    margin: var(--space-1) 0 0;
}

.page-actions {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.breadcrumb {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}

.breadcrumb a { color: var(--color-text-muted); }